Cadillac 45 V8 Specs
Cadillac 45 V8 engine specs: 273 ci (4.5L), 8-cylinder, 3.622" bore x 3.3071" stroke, 9:1 compression.
Dimensions
| Displacement | 273 ci / 4.5 L |
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| Bore | 3.622" |
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| Stroke | 3.3071" |
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| Cylinders | 8 |
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| Compression ratio | 9:1 |
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| Bore/stroke ratio | 1.095 |
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Construction
| Block material | aluminum |
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| Head material | cast iron |
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| Valvetrain | OHV |
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| Fuel type | gas |
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| Advertised HP | 180 hp |
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What these numbers mean
| Bore/stroke character | 1.095 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,307 ft/min — conservative for a street engine |
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| Displacement per cylinder | 34.1 ci |
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| Static compression | 9:1 — low by modern standards, generally happy on regular pump fuel |
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Vehicles (6)
- Cadillac DeVille
- Cadillac Eldorado
- Cadillac Seville
- DeVille
- Seville
- Allante
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